feat(codedeploy): zonal configuration for ServerDeploymentConfig (#30429)

### Issue # (if applicable)

Closes #30430

### Reason for this change

`ServerDeploymentConfig` does not support for configuring the [zonal configuration](https://docs.aws.amazon.com/codedeploy/latest/userguide/deployment-configurations-create.html#zonal-config).

### Description of changes

- define `ZonalConfig` interface
- define `MinimumHealthyHostsPerZone` class
- add `zonalConfig` property to the `BaseDeploymentConfigProps`

### Description of how you validated changes

Add both unit and integ tests

### Checklist
- [x] My code adheres to the [CONTRIBUTING GUIDE](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md) and [DESIGN GUIDELINES](https://github.com/aws/aws-cdk/blob/main/docs/DESIGN_GUIDELINES.md)

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*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

Author: badmintoncryer